Principal Systems Engineer - NC3 Programs (Onsite)

Date Posted: 2026-06-11 Country: United States of America Location: US-TX-RICHARDSON-461 ~ 3200 E Renner Rd ~ RENNER BLDG 461 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 Principal Systems Engineer – NC3 Programs (Onsite) At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Role Description: In this position, you will focus on the decomposition and design of complex training device features and interfaces. You will work in a fast-paced, modern, agile development environment, and collaborate closely with software and hardware to build and test advanced mission capabilities and features. This position requires: US Government Department of Defense (DoD) Secret Security Clearance Day 1. Onsite: This is an onsite role supporting our Richardson, TX location. Sign-on Bonus Eligible Embark on a journey where your expertise in systems engineering will help shape the future of aerospace technology. At Collins Aerospace, we’re modernizing Nuclear Command, Control and Communications (NC3) capabilities as part of the U.S. Department of Defense’s strategic command and control military aircraft recapitalization programs. As our next Principal Systems Engineer and as a member of our Integrated Platforms (IP) Engineering team, you will be provided with the training and tools to help grow the skills you will need to become a subject matter expert (SME) in the systems engineering lifecycle. You will learn from the best and brightest in the communications and nuclear deterrence domain working at Collins Aerospace. What YOU Will Do: You will be engaged with systems requirements modeling activities in a Model Based Systems Engineering (MBSE) environment using SysML with Cameo. Serve as a systems architect or as systems engineering focal to capture, analyze, decompose, model, translate and create requirements for large complex systems. Mentor team in the development of functional, interface and performance specifications for hardware and software implementation, including identifying and documenting architecturally significant requirements and technical risk areas. You will support technical proposal preparation and/or serve as a subject matter expert in non-advocate, internal and customer reviews. You will interface with customers and use oral and written skills to develop great working relationships with stakeholders and team members. Develop technical & product roadmaps and competitive assessments in area of expertise. Recommend and help implement new approaches, tools, and techniques based on needs identified in metric and defect trends on current and related programs. Develop and/or utilize prognostic metrics for system design and development. Review metrics and defects trends, identify systemic root causes and process improvements. What YOU Will Learn: You will learn the Collins Aerospace solutions developed for military platforms. You will learn to apply Model Based Systems Engineering (MBSE) principles to cutting edge solutions for emerging technologies. You will learn SEER parametric estimation tools for proposals/bids. Qualifications YOU Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience or in absence of a degree, 12 years of relevant experience. Active and transferable U.S. Government DoD issued Secret Security Clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with capture, analysis and decomposition of System requirements Experience identifying, analyzing and resolving problems in all phases of the system lifecycle Experience working with customers, end users, hardware design teams, and software design teams Requires on-site presence in a classified lab space. Ability to travel domestically (up to 10% of time). Qualifications We Prefer: Experience with RF Systems and/or Mission Systems solutions. Experience with Model-Based System Engineering (MBSE) design tools (Enterprise Architect, Cameo, or equivalent) using SysML. Experience working in a SAFe Agile environment. Project Management, Control Account Management (CAM), and earned value management experience. Participating in root cause analysis and corrective actions. Working knowledge of bidding and project/task estimation tools (e.g. SEER products). Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. What We Offer: Some of our competitive benefits package includes: Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Ovia Health, fertility, and family planning Adoption Assistance Autism Benefit Employee Assistance Plan, including up to 10 free counseling sessions Healthy You Incentives, wellness rewards program Doctor on Demand, virtual doctor visits Bright Horizons, child and elder care services Teladoc Medical Experts, second opinion program Eligible for relocation assistance And more! Learn More & Apply Now! *Please ensure the role type (defined below) is appropriate for your needs before applying to this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Relocation: Assistance may be provided Employee Referral Eligible At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.